Stamping die holder



UNITED STATES PATENT OFFICE 216711,677 STAMHNG DIE HOLDER Leon C.` Hauer, Ross Township, Pittsburgh, Ika., assigner to M. E.` Cunningham Company, Pittsurgh, Pa., a corporation of Pennsylvania Application February 24, 195,71*, Serial No, 212,601 5 Claims. (Cl. 1101-28) liled May 2l 1947 now Patent No 2601 824 5 tively hard metal dies of the tool holdei softer The principal obJect of this invention 1s to body metal particularly adgacent to the edges provide an lmpi oved die holder in which one o1 of the chambers Within which the springs are more dies may be yieldably secui ed in the stampconfine ing position, being of sturdy and rugged con- To, the top portion of the body portion I I there struction so that it Will withstand, without un- 10 is axed a relatively hard metal oOVor or shock due wear and injury, the intensive hammering resistant plate 22 having apertures 23 therein action to which dies of this nature may be subwhich coincide with the openings I4 of the holder `iected In addition to this obJect, the various Along the lateial edges of this plate 22 it has other novel features and advantages of this inside walls disposed at rlght angles to IGS upper the accompanying drawings of which: the body portion is cast. the main body of the Figure 1 is a side elevation of a stamping die holder is cast of a relatively soft low melting point holder embodying the features of the invention metal, thev Cover plate 22 Serves aS, a. Protective herein disclosed; i 20 covering therefor from injury which may other- Figure 2 is a partial plan view of the holoier wise be sustained should the operator inadvershown in Figure 1; tently strike the holder with a direct or a glanc- Figure 3 is a sectional View taken on line ing blow of the hammel- AS noted in Figure. 3., III-III of Figure 1, and the spring at its bend portion bears against the Figure 4 is a sectional view taken on line 25 Wear-resistant plato I9.. the, Shorter or free 61.161 IV-IV of Figure 1. I'b` thereof extends beyond the plate 2 I for en- With reference to the drawings, the die holder gagng with and yieldably retaining a die within 0 consists of a head or die receiving body portho holderJ and the longer Spring DOIiJlOn |5a enrai'ifty, of dies ir, iiyitnin the head andI passing 24,61: theiike which. miritaisthe lodr portion therethrough there is e, plurality of Openings or a distance above the workpiece to be operated within as wel] as withdrawn from the holder for In accordano with the provisions of the patent interchange or replacement for each die openin Statutes I have exloamed the DIlIlCDle and 0D- I 4 there is provided a spring |5 which yieldably 40 eration of my invention and have illustrated and secures the dies inserted therein e springs described what I consider to represent the best I5, made preferably of steel or the like having embodiment thereof However, I desire to have the necessary resilience and strength, are formed it understood that Withm the Scope 0f tho op y ending the metallic strips back upon them pen ed claims the invention may be practiced what longer than the other which is designated scribedby the numeral I5b. I claim:

Adjacent to each of the openings I4 there is 1 A tool'holdef Within Which 3f Stamping die o passage i6 extending thro gh the side Wah of or the like is adapted to be yieldably secured in the head Il and communicating with the open- 5o the Stamping position Comprising a grip, a body t selves so that one of the legs |5a thereof is Some 45 otherwise than as specically illustrated and detive cover plate secured to the top of the body portion and surrounding said opening on the side inserted and having downwardly enlarging side wails along its lateral edges locking it into engagement with said body portion, and a wear resistant strip secured Within the body portion adjacent said yieldable member forming a protective surface against which a die may make slidable contact.

2. A tool-holder within which a stamping die or the like is adapted to be slidably secured in the stamping position comprising a grip, portion having an opening therethrough adapted to receive a die the cross-section of which conforms substantially to the shape of said opening, a yieldable member for engaging with and retaining a die within said opening, a detachable side wall forming a closure for said yieldable means, a protective cover plate secured to the body portion at the side thereof from Which a die is normally inserted and having an opening therethrough coinciding substantially with the die receiving opening, and Wear-resistant strips, secured Within said body portion on either side of and engaged by a portion oi said yieldable means, forming a protective surface against which a die may make slidable contact.

3. A tool-holder within which a stamping die or the like is adapted to be yieidabiy secured in the stamping position comprising a grip, a body portion having an opening therethrough adapted to receive a die the cross-section of which conforms substantially to the shape of said opening, a spring for engaging with and retaining a die inserted within said opening, a protective cover plate secured to the body portion on the side from which a die is normally inserted and having an opening therethrough coinciding substantially with the die receiving opening, Wear-resistant strips secured within said holder adjacent said spring forming a protective surface against which a die may make slidable contact and spacer members secured to the under side of said body porin `.vhich a stamping die or the like is adapted to be yieldably secured in the stamping position comprising a grip, all elongated body portion having a ceiving openings extending one side to another thereof and a plurality of openings communicating with said die-receiving openings and extending substantially at right angles thereto, yieldable means in each of said last-mentioned openings extending into said die receiving openings for engaging with the exterior Walls o dies inserted in the die openings, a removable cover plate on said body portion fitted over the outside end of said second-mentioned openings, a Wear-resistant strip fitted in said body portion at the juncture of said openings and forming a partial ciosure of the second-mentioned openings and limiting the axial and lateral movement of said yieidable means, a shockiesistant plate in locked engagement body portion on the side from which a die i"s normaiiy inserted and having openings therethrough coinciding substantially with the die receiving openings, and spacer members secured to the under side of said body portion.

5. A tool-holder Within which a stamping die or the like is adapted to be yieldably secured in the stamping position comprising a grip, an elongated body portion of die receiving openings extending therethrough from one side to another and a plurality of other openings communicating therewith from a third side oi said body portion, yieldable means in each of said iast-inentioned openings which extend therefrom into said die-receiving openings for engaging with the outer surface of dies when inserted in said die-receiving opening, a cover plate on said body portion e'tending over the outer ends or" said second-mentioned openings, a plurality or wear-resistant strips itted in said body portion at the upper and lower edges where tivo sides oi said openings come together and forming a partial closure of the second-mentioned openings for confining said yieidabie means, a shook resistant plate having locked engagement with said body portion over the portion thereof at the entry end of said die-receiving openings and having openings therethrough coinciding substantially with the die receiving openings, and spacer members secured to the under side of said body portion for exposing the marking end of the die elements.

LEON

the

C. HATIER.

References Cited in the le of this UNITED STATES PATENTS patent Date Aug. 1, 1905 Nov. 30, 1909 May 20, 1913 Oct. 13, 1925 Number 

